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DEVICE FOR CLAMPING A HOSE LINE, MEDICAL TREATMENT DEVICE WITH A DEVICE FOR CLAMPING A HOSE LINE, AND METHOD FOR MONITORING A DEVICE FOR CLAMPING A HOSE LINE
DEVICE FOR CLAMPING A HOSE LINE, MEDICAL TREATMENT DEVICE WITH A DEVICE FOR CLAMPING A HOSE LINE, AND METHOD FOR MONITORING A DEVICE FOR CLAMPING A HOSE LINE
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机译:用于夹紧软管的装置,具有用于夹紧软管的装置的医疗设备以及用于监视用于夹紧软管的装置的方法
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摘要
The invention relates to a device for clamping a hose line, having a clamp body (19), an electromagnetic actuation unit (20) for the clamp body, and a monitoring means (23) monitoring the position of the clamp body, wherein the actuation unit (20) has a coil (21) for generating a magnetic field. The invention further relates to a medical treatment device, in particular a device for extracorporeal blood treatment, with a device (14) for clamping a hose line, and to a method for monitoring a device for clamping a hose line. The monitoring means (23) has a measurement means (24) for measuring an electrical property of the coil (21) dependent on the position of the clamp body (19), and an evaluation means (25) for determining the position of the clamp body (19) on the basis of the electrical property of the coil. Since only an electrical property of the coil (21) is monitored, an additional mechanical component is not needed for the monitoring. In a preferred embodiment of the invention, the inductance L of the coil (21) is proposed as an electrical property dependent on the position of the clamp body (19). A measurement means (25) is provided for measuring the inductance L of the coil.
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